# U vs NFC TagKit

The clearest difference is review sentiment: NFC TagKit at 100% against U's 18%. U's advantage is rating (4.8 vs 4.0) and ratings volume (26 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

U holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: U has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 18% of U's written reviews are positive against 100% of NFC TagKit's, so the app with the better star average is not the one people write more warmly about.

U ships an update every 2 months, NFC TagKit every 4 months. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | U | NFC TagKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/u-prox-mobile-id/id1148060309/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/nfc-tagkit/id1593858521/reviews) |
| Number of ratings | **26** | 1 |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 85 MB | 8 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [a2softin](https://appshunter.io/developer/1133492162) | [CoreWillSoft GmbH](https://appshunter.io/developer/1593858523) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-prox-mobile-id/id1148060309)

This application provides secure, two-shake access to areas protected by U-Prox access controllers. It can store multiple keys, allowing for use in various independent locations with an easy-to-use interface.

**Highlights:** Two-shake access, Stores multiple keys, Independent facility use, U-Prox brand style interface, Easy usability

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none


### NFC TagKit

[App page](https://appshunter.io/ios/app/nfc-tagkit/id1593858521)

This app allows you to read and write data to various types of RFID tags. It can display detailed information about transponders and supports creating and writing NDEF records on MIFARE® DESFire® tags.

**Highlights:** Read transponder information (type, manufacturer, serial number), Display NDEF record data (URL, text, contact), Read data from MIFARE® DESFire® tags, Write files and NDEF records on MIFARE® DESFire® tags, Supports various tag types (MIFARE, Ntag, FeliCa, ISO)

**In-app purchases:** none


## Frequently asked questions

### Is U free?

U is free to download, with no in-app purchases.

### Is NFC TagKit free?

NFC TagKit is free to download, with no in-app purchases.

### Which has better reviews, U or NFC TagKit?

U is rated higher. U averages 4.8 out of 5 from 26 ratings, while NFC TagKit averages 4.0 from 1 ratings.

### Do U or NFC TagKit have ads?

Neither U nor NFC TagKit shows ads.

### Which is updated more often, U or NFC TagKit?

U ships an update every 2 months, and NFC TagKit every 4 months. Most recently, U was updated on October 21, 2026 and NFC TagKit on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*